package collection;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Random;

public class SorInteger {
    public static void main(String[] args) {
        Random rand=new Random();
        List<Integer> list=new ArrayList<>();
        for (int i=0;i<10;i++){
            list.add(rand.nextInt(100));
        }
        System.out.println(list);//无序

        Collections.sort(list);//自然排序从小到大
        System.out.println(list);

        Collections.reverse(list);//自然排序从大到小
        System.out.println("List翻转"+list);

        System.out.println(list.get(0));//输出第一个元素


    }
}
